\documentclass[pstricks]{standalone}

\usepackage{pst-marble}
\pagestyle{empty}

\begin{document}

\begin{pspicture}(-4,-4)(4,4)
 \psMarble[viscosity=1000,opacity=0.35,
   actions={
     0 0 200 0 1 [1 0 0] 10 50 Gaussian-drops
     0 0 200 0 1 [0 1 0] 50 20 Gaussian-drops
     0 0 300 0 1 [0 0 1] 15 75 Gaussian-drops
 }](8,8)
 \psMarble[viscosity=1000,bckg=false,opacity=0.35,
   actions={
     -300 92 500
     {
       0 exch 90 [ 12 100 -100 tines ] [ 76 95 63 ] 45 line-drops
     } for
     90 [11 200 0 tines] 40 200 31 rake
     -90 [11 200 0 tines] 40 200 31 rake
     0 0 [-350] 30 30 15 stir
     0 0 [-150] 60 30 15 stir
 }](8,8)
\end{pspicture}

\end{document}